1973 Map of Grand Isle

About this map

Grand Isle serves as the thin coastal anchor for this orthophotomap, showing the developed barrier island before significant modern expansion. The town's grid and shoreline are visible alongside the protected waters of Bayou Rigaud and Bay Des Ilettes. This 1970s survey captures a landscape defined by the extraction economy of the Louisiana coast, dominated by the open waters of the Gulf of Mexico. Offshore, industrial infrastructure is the primary feature, specifically the Block 16 Oil and Gas Field and Block 18 Oil and Gas Field. These sites are marked by numerous platforms, illustrating the scale of energy production in the region at the time. The Barataria Bay Waterway cuts through the upper corner of the map, signifying the importance of maritime transit for the local community and industry.